Bad Memory On Ids-4250-Xl; Blocking; Troubleshooting Blocking - Cisco 4215 - Intrusion Detection Sys Sensor Configuration Manual

Appendix C Troubleshooting
Start the IPS services:
Step 8
sensor# cids start
Log in to an account with administrator privileges.
Step 9
Reboot the sensor:
Step 10
sensor# reset
Warning: Executing this command will stop all applications and reboot the node.
Continue with reset? [yes]:yes
Request Succeeded.
sensor#

Bad Memory on IDS-4250-XL

Some IDS-4250-XLs were shipped with faulty DIMMs on the XL cards. The faulty DIMMs cause the
sensor to hang or SensorApp to stop functioning and generate a core file.
For the procedure for checking IDS-4250-XL for faulty memory, see the

Blocking

This section provides troubleshooting help for blocking and the Network Access Controller service. It
contains the following topics.
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Troubleshooting Blocking

After you have configured Network Access Controller, you can verify if it is running properly by using
the show version command. To verify that Network Access Controller is connecting to the network
devices, use the show statistics network-access command.
To troubleshoot Network Access Controller, follow these steps:
1.
2.
78-16527-01
Troubleshooting Blocking, page C-15
Verifying Network Access Controller is Running, page C-16
Verifying Network Access Controller Connections are Active, page C-17
Device Access Issues, page C-18
Verifying the Interfaces and Directions on the Network Device, page C-19
Enabling SSH Connections to the Network Device, page C-20
Blocking Not Occurring for a Signature, page C-21
Verifying the Master Blocking Sensor Configuration, page C-22
Verify that Network Access Controller is running.
For the procedure see Verifying Network Access Controller is Running, page
Verify that Network Access Controller is connecting to the network devices.
For the procedure see Verifying Network Access Controller Connections are Active, page
Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 5.0
Troubleshooting the 4200 Series Appliance
Partner Field 52563.
C-16.
C-17.
C-15